65371567427 has 2 divisors, whose sum is σ = 65371567428. Its totient is φ = 65371567426.

The previous prime is 65371567421. The next prime is 65371567441. The reversal of 65371567427 is 72476517356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65371567427 - 2⁶ = 65371567363 is a prime.

It is not a weakly prime, because it can be changed into another prime (65371567421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32685783713 + 32685783714.

It is an arithmetic number, because the mean of its divisors is an integer number (32685783714).

Almost surely, 2^65371567427 is an apocalyptic number.

65371567427 is a deficient number, since it is larger than the sum of its proper divisors (1).

65371567427 is an equidigital number, since it uses as much as digits as its factorization.

65371567427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 53.

The spelling of 65371567427 in words is "sixty-five billion, three hundred seventy-one million, five hundred sixty-seven thousand, four hundred twenty-seven".